SB20260918146 - Use of multiple resources with duplicate identifier in Linux kernel firmware arm_scmi driver
Published: September 18, 2026
Security Bulletin ID
SB20260918146
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use of multiple resources with duplicate identifier (CVE-ID: CVE-2026-93080)
CWE-ID: CWE-694 - Use of Multiple Resources with Duplicate Identifier
CVSSv4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper handling of duplicate identifiers in the SCMI channel setup routine when processing malformed firmware with duplicate protocol child nodes. A local user can provide malformed firmware with duplicate protocol child nodes to cause a denial of service.
Remediation
Install update from vendor's website.